#define Buzzer 4

void setup() {
  Serial.begin(115200);
    Serial.println("Hello Buzz!");
      pinMode(Buzzer, OUTPUT);
      }

      void loop() {
        delay(1000);
          tone(Buzzer, 1000);  // 1000 Hz tone
            delay(1000);
              noTone(Buzzer);  // Stop the tone
              }